| 1 | Therefore, the prevention of hepatitis B is strict blood donor. | |
| 2 | People caught in homosexual acts were, however, removed from the list of suitable donors. | |
| 3 | Most US donors are Caucasian, amongst whom 45% of people are blood group O. | |
| 4 | All infected persons in the past paid donors still accounted for the major proportion (69.05%). | |
| 5 | People caught in homosexual acts were, however, removed from the list of suitable donors. |